CN109340391A - A kind of flow adjustable cut-off valve - Google Patents
A kind of flow adjustable cut-off valve Download PDFInfo
- Publication number
- CN109340391A CN109340391A CN201811458717.5A CN201811458717A CN109340391A CN 109340391 A CN109340391 A CN 109340391A CN 201811458717 A CN201811458717 A CN 201811458717A CN 109340391 A CN109340391 A CN 109340391A
- Authority
- CN
- China
- Prior art keywords
- side wall
- flap
- wall
- lid
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0254—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor being operated by particular means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0281—Guillotine or blade-type valves, e.g. no passage through the valve member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/46—Mechanical actuating means for remote operation
- F16K31/465—Mechanical actuating means for remote operation by flexible transmission means, e.g. cable, chain, bowden wire
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
- F16K31/54—Mechanical actuating means with toothed gearing with pinion and rack
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K35/00—Means to prevent accidental or unauthorised actuation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0008—Mechanical means
- F16K37/0016—Mechanical means having a graduated scale
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a kind of flow adjustable cut-off valves of shut-off valve technical field, including valve body, the intermediate active of the valve body side wall is provided with lid, the adjacent surface activity of guide groove described in two groups of front and back is plugged with flap, the downside wall of the flap and the intermediate of valve body side wall are bonded, and the centre of flap side wall is provided with rack gear, the left side activity of the lid side wall is plugged with valve rod, the bottom end of the valve rod is provided with gear, the top movable of the valve rod lateral wall is socketed with locking device, scale line apparatus is provided on the right side of the lid side wall, and drawstring is provided on the left of scale line apparatus, the device is by rotating forward knob, it is rotated by knob band ovable valve stem, valve rod band moving gear rotates, pass through the matching of wheel and rack, flap is driven to be moved to the left, change the spacing between flap and lid left side wall, Realize the adjusting by fluid flow size between flap and lid left side wall.
Description
Technical field
The present invention relates to shut-off valve technical field, specially a kind of flow adjustable cut-off valve.
Background technique
It is frequently necessary to adjust the size of fluid flow in pipeline in life, and existing shut-off valve is usually used up and down
The mode of truncation carries out closure or openness, but this mode can not effectively control the size of fluid flow, for this purpose, it is proposed that
A kind of flow adjustable cut-off valve.
Summary of the invention
The purpose of the present invention is to provide a kind of flow adjustable cut-off valves, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the invention provides the following technical scheme: a kind of flow adjustable cut-off valve, including valve body, valve
Water inlet is offered on the left of body, the right side opening of valve body is equipped with water outlet, and the intermediate active of valve body side wall is provided with lid, and
Valve body is bolted to connection with lid, and the adjacent surface of valve body and lid is provided with the first gasket, lid front and rear sides
Guide pad is provided on the left of inner wall, the bottom of the two groups of guide pad adjacent surfaces in front and back offers guide groove, and two groups of front and back is led
Adjacent surface activity to slot is plugged with flap, and the downside wall of flap and the intermediate of valve body side wall are bonded, and valve body side wall
It is intermediate to offer holding tank with flap joint place, and the inner cavity of holding tank is provided with the second gasket, and the top of the second gasket
Side wall is bonded with the right side of flap downside wall, and the centre of flap side wall is provided with rack gear, the left side activity of lid side wall
It is plugged with valve rod, the bottom end of valve rod is provided with gear, and the rear wall of gear is engaged with the front side wall of rack gear, valve rod lateral wall
Top movable is socketed with locking device, and the side wall of the downside wall of locking device and lid connects, the right side of lid side wall
It is provided with scale line apparatus, and is provided with drawstring on the left of scale line apparatus, the left side wall of drawstring and the top of valve rod right side wall
Connection.
Preferably, scale line apparatus includes protective shell, and the centre of protective shell inner cavity is provided with support rod, support rod lateral wall
Top movable be socketed with turntable, the bottom of support rod lateral wall is socketed with clockwork spring, and clockwork spring is far from support rod
The internal chamber wall of one end and turntable connects, and graduation mark is provided at the top of turntable, and the right side opening of protective shell side wall is equipped with and quarter
The watch window that degree line matches, the right end of drawstring runs through protective shell left side wall, and the lateral wall of the right end of drawstring and turntable connects
It connects.
Preferably, locking device includes locking shell, and locks the outside that shell is actively socketed on valve rod, and lock the bottom of shell
The connection of the side wall of side wall and lid, and the left side of shell is locked through being plugged with promotion bolt, and pushes the right end of bolt living
It is dynamic to be provided with backing plate, and the right side wall of backing plate is bonded with the left side wall of valve rod.
Preferably, the lateral wall of flap offers placing groove, and the inner cavity of placing groove is provided with sealing ring, lid inner left wall
Bottom offers the card slot to match with flap, and the equal semicircular in shape in the left and right sides of flap vertical section.
Preferably, the lateral wall of valve rod is uniformly provided with tooth socket, and the right side wall of backing plate is evenly arranged with and matches with tooth socket
Teeth, and be arc-shaped on the right side of backing plate cross section.
Preferably, the top of valve rod is provided with knob, and the lateral wall of knob is uniformly arranged fluted, and groove is transversal
Face is arc-shaped, and groove circular array is distributed.
Compared with prior art, the beneficial effects of the present invention are:
1. the device is by rotating forward knob, rotated by knob band ovable valve stem, valve rod band moving gear rotates, by gear with
The matching of rack gear drives flap to be moved to the left, and changes the spacing between flap and lid left side wall, realizes and passes through flap and lid
The adjusting of fluid flow size between left side wall, and flap occupied space is smaller；
2. rotate forward valve rod, valve rod makes drawstring drive turntable rotation, when rotating backward valve rod, valve rod by winding drawstring
Drawstring is broadcasted, clockwork spring drives turntable rotation, turntable is made to wind drawstring, convenient by the matching of watch window and graduation mark
The rotation radian of accurate valve rod, thus the size of liquid with precise control flow.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is graduation mark apparatus structure schematic diagram of the present invention.
In figure: 1, valve body；2, lid；3, guide pad；4, guide groove；5, flap；6, rack gear；7, valve rod；8, gear；9, into
The mouth of a river；10, water outlet；11, knob；12, locking device；13, scale line apparatus；131, protective shell；132, support rod；133, turn
Disk；134, clockwork spring；135, watch window；14, drawstring.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of technical solution referring to FIG. 1-2: a kind of flow adjustable cut-off valve, including valve body 1, valve body 1
Left side offer water inlet 9, the right side opening of valve body 1 is equipped with water outlet 10, and the intermediate active of 1 side wall of valve body is provided with lid
2, and valve body 1 is bolted to connection with lid 2, and the adjacent surface of valve body 1 and lid 2 is provided with the first gasket, lid 2
Guide pad 3 is provided on the left of the inner wall of front and rear sides, the bottom of two groups of 3 adjacent surfaces of guide pad in front and back offers guide groove 4,
The adjacent surface activity of two groups of front and back guide groove 4 is plugged with flap 5, and the intermediate of 1 side wall of downside wall and valve body of flap 5 is bonded,
And the centre of 1 side wall of valve body and 5 joint place of flap offer holding tank, and the inner cavity of holding tank is provided with the second gasket,
And second the side wall of gasket be bonded with the right side of 5 downside wall of flap, and the centre of 5 side wall of flap is provided with rack gear 6, lid
The left side activity of 2 side wall of body is plugged with valve rod 7, and the bottom end of valve rod 7 is provided with gear 8, and the rear wall of gear 8 and rack gear 6
Front side wall engagement rotate knob 11 with ovable valve stem 7 by rotating forward knob 11, valve rod 7 is rotated with moving gear 8, is passed through
The matching of gear 8 and rack gear 6 drives flap 5 to be moved to the left, and changes the spacing between flap 5 and 2 left side wall of lid, realizes logical
The change of fluid flow size between 2 left side wall of flap 5 and lid is crossed, the top movable of 7 lateral wall of valve rod is socketed with locking dress
12 are set, and the downside wall of locking device 12 is connect with the side wall of lid 2, it is traditional thread binding to be provided with scale on the right side of 2 side wall of lid
13 are set, and the left side of scale line apparatus 13 is provided with drawstring 14, the left side wall of drawstring 14 is connect with the top of 7 right side wall of valve rod.
Wherein, scale line apparatus 13 includes protective shell 131, and the centre of 131 inner cavity of protective shell is provided with support rod 132, is propped up
The top movable of 132 lateral wall of strut is socketed with turntable 133, and the bottom of 132 lateral wall of support rod is socketed with clockwork spring 134,
And the one end of clockwork spring 134 far from support rod 132 is connect with the internal chamber wall of turntable 133, the top of turntable 133 is provided with scale
Line, and the right side opening of 131 side wall of protective shell is equipped with the watch window 135 to match with graduation mark, the right end of drawstring 14 runs through
131 left side wall of protective shell, and the right end of drawstring 14 is connect with the lateral wall of turntable 133, when rotating forward valve rod 7, valve rod 7 is wound
Drawstring 14 drives turntable 133 to rotate by drawstring 14, and when rotating backward valve rod 7, valve rod 7 puts drawstring 14, and clockwork spring 134 expands
, drive turntable 133 to rotate, so that turntable 133 is wound drawstring 14 can be accurate by the matching of watch window 135 and graduation mark
Adjust the size of fluid flow；
Locking device 12 includes locking shell, and locks the outside that shell is actively socketed on valve rod 7, and lock the downside wall of shell
The left side for connecting with the side wall of lid 2, and locking shell, which is run through, is plugged with promotion bolt, and the right end activity of bolt is pushed to set
It is equipped with backing plate, and the right side wall of backing plate is bonded with the left side wall of valve rod 7, by tightening promotion bolt, backing plate is pushed to the right,
So that backing plate is clamped valve rod 7, avoids 7 unintentional rotation of valve rod, lead to 5 accidental movement of flap, influence the flow of liquid；
The lateral wall of flap 5 offers placing groove, and the inner cavity of placing groove is provided with sealing ring, the bottom of 2 inner left wall of lid
The card slot to match with flap 5 is offered, the inner cavity of card slot is inserted by the left end of flap 5, can preferably flap 5 be limited
Position is fixed, and the equal semicircular in shape in the left and right sides of 5 vertical section of flap, the movement of convenient flap 5, when reduction flap 5 is mobile
Resistance；
The lateral wall of valve rod 7 is uniformly provided with tooth socket, and the right side wall of backing plate is evenly arranged with the teeth to match with tooth socket, leads to
Engaging for teeth and tooth socket is crossed, preferably valve rod 7 can be fixed, avoids 7 unintentional rotation of valve rod, and backing plate cross section
Right side is arc-shaped, and increases the contact area of backing plate Yu valve rod 7, and preferably valve rod 7 can be fixed；
The top of valve rod 7 is provided with knob 11, and the lateral wall of knob 11 is uniformly arranged fluted, and the cross section of groove is in circle
Arc, and groove circular array is distributed, the presence of groove is played the role of anti-skidding, facilitates the rotation of knob 11.
Working principle: the device rotates knob 11 with ovable valve stem 7, valve rod 7 is with moving gear by rotating forward knob 11
8 rotations drive flap 5 to be moved to the left by the matching of gear 8 and rack gear 6, between changing between flap 5 and 2 left side wall of lid
Away from, realize the change by fluid flow size between 2 left side wall of flap 5 and lid, by tightening promotion bolt, by backing plate to
Right side pushes, and backing plate is made to clamp valve rod 7, is intermeshed teeth and tooth socket, can preferably be fixed, avoid to valve rod 7
7 unintentional rotation of valve rod causes flap 5 mobile, influences the flow of liquid, rotate forward valve rod 7, valve rod 7 is made to wind drawstring 14, leads to
Crossing drawstring 14 drives turntable 133 to rotate, and when rotating backward valve rod 7, valve rod 7 broadcasts drawstring 14, and clockwork spring 134 drives turntable
133 rotations, so that turntable 133 is wound drawstring 14 can be accurately adjusted flap 5 by the matching of watch window 135 and graduation mark
Moving distance realizes the adjusting of fluid flow size.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of flow adjustable cut-off valve, including valve body (1), it is characterised in that: offer water inlet on the left of the valve body (1)
(9), the right side opening of the valve body (1) is equipped with water outlet (10), and the intermediate active of valve body (1) side wall is provided with lid
(2), and valve body (1) is bolted to connection with lid (2), and to be provided with first close for the adjacent surface of valve body (1) and lid (2)
Packing is provided with guide pad (3) on the left of the inner wall of lid (2) front and rear sides, and guide pad (3) described in two groups of front and back is adjacent
The bottom in face offers guide groove (4), and the adjacent surface activity of guide groove (4) described in two groups of front and back is plugged with flap (5), described
The downside wall of flap (5) and the intermediate of valve body (1) side wall are bonded, and the centre of valve body (1) side wall and flap (5) joint place
Holding tank is offered, and the inner cavity of holding tank is provided with the second gasket, and the side wall of the second gasket and flap (5) bottom side
The right side of wall is bonded, and the centre of flap (5) side wall is provided with rack gear (6), and the left side activity of lid (2) side wall is inserted
It is connected to valve rod (7), the bottom end of the valve rod (7) is provided with gear (8), and the front side wall of the rear wall of gear (8) and rack gear (6)
Engagement, the top movable of valve rod (7) lateral wall is socketed with locking device (12), and the downside wall and lid of locking device (12)
The side wall of body (2) connects, and is provided with scale line apparatus (13) on the right side of lid (2) side wall, and scale line apparatus
(13) it is provided on the left of drawstring (14), the left side wall of the drawstring (14) is connect with the top of valve rod (7) right side wall.
2. a kind of flow adjustable cut-off valve according to claim 1, it is characterised in that: the scale line apparatus (13) includes
The centre of protective shell (131), protective shell (131) inner cavity is provided with support rod (132), support rod (132) lateral wall
Top movable be socketed with turntable (133), the bottom of support rod (132) lateral wall is socketed with clockwork spring (134), and send out
Bar spring (134) is connect far from the one end of support rod (132) with the internal chamber wall of turntable (133), is set at the top of the turntable (133)
It is equipped with graduation mark, and the right side opening of protective shell (131) side wall is equipped with the watch window (135) to match with graduation mark, it is described
The right end of drawstring (14) runs through protective shell (131) left side wall, and the right end of drawstring (14) is connect with the lateral wall of turntable (133).
3. a kind of flow adjustable cut-off valve according to claim 1, it is characterised in that: the locking device (12) includes lock
Tight shell, and the outside that shell is actively socketed on valve rod (7) is locked, and lock the downside wall of shell and the side wall of lid (2)
The left side for connecting, and locking shell, which is run through, is plugged with promotion bolt, and the right end of bolt is pushed to be movably set with backing plate, and backing plate
Right side wall be bonded with the left side wall of valve rod (7).
4. a kind of flow adjustable cut-off valve according to claim 1, it is characterised in that: the lateral wall of the flap (5) is opened
Inner cavity equipped with placing groove, and placing groove is provided with sealing ring, and the bottom of lid (2) inner left wall offers and flap
(5) card slot to match, and the equal semicircular in shape in the left and right sides of flap (5) vertical section.
5. a kind of flow adjustable cut-off valve according to claim 1, it is characterised in that: the lateral wall of the valve rod (7) is equal
It is even to offer tooth socket, and the right side wall of backing plate is evenly arranged with the teeth to match with tooth socket, and the right side of backing plate cross section is in
It is arc-shaped.
6. a kind of flow adjustable cut-off valve according to claim 1, it is characterised in that: the top of the valve rod (7) is arranged
Have knob (11), and the lateral wall of knob (11) is uniformly arranged fluted, and the cross section of groove is arc-shaped, and groove is in ring
Shape array distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811458717.5A CN109340391A (en) | 2018-11-30 | 2018-11-30 | A kind of flow adjustable cut-off valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811458717.5A CN109340391A (en) | 2018-11-30 | 2018-11-30 | A kind of flow adjustable cut-off valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109340391A true CN109340391A (en) | 2019-02-15 |
Family
ID=65319183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811458717.5A Withdrawn CN109340391A (en) | 2018-11-30 | 2018-11-30 | A kind of flow adjustable cut-off valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109340391A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109838608A (en) * | 2019-04-08 | 2019-06-04 | 浙江金隆铜业股份有限公司 | A kind of shut-off valve |
| CN113685608A (en) * | 2021-09-22 | 2021-11-23 | 国网湖北省电力有限公司直流运检公司 | Converter station fire emergency valve is nimble to be prevented mistake device |
| CN115899370A (en) * | 2022-09-14 | 2023-04-04 | 特阀江苏流体机械制造有限公司 | Low-temperature heat-insulation gas cylinder stop valve |
| CN116292913A (en) * | 2023-03-03 | 2023-06-23 | 江苏申氢宸科技有限公司 | High-flow low-pressure-loss electromagnetic valve |
-
2018
- 2018-11-30 CN CN201811458717.5A patent/CN109340391A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109838608A (en) * | 2019-04-08 | 2019-06-04 | 浙江金隆铜业股份有限公司 | A kind of shut-off valve |
| CN113685608A (en) * | 2021-09-22 | 2021-11-23 | 国网湖北省电力有限公司直流运检公司 | Converter station fire emergency valve is nimble to be prevented mistake device |
| CN113685608B (en) * | 2021-09-22 | 2024-04-16 | 国网湖北省电力有限公司直流运检公司 | Flexible error-preventing device for fire emergency valve of converter station |
| CN115899370A (en) * | 2022-09-14 | 2023-04-04 | 特阀江苏流体机械制造有限公司 | Low-temperature heat-insulation gas cylinder stop valve |
| CN115899370B (en) * | 2022-09-14 | 2023-09-26 | 特阀江苏流体机械制造有限公司 | Stop valve for low-temperature heat-insulating gas cylinder |
| CN116292913A (en) * | 2023-03-03 | 2023-06-23 | 江苏申氢宸科技有限公司 | High-flow low-pressure-loss electromagnetic valve |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190215 |